Samsung Galaxy Watch4
Android Wear OS
1. Find "General"
Slide your finger upwards starting from the bottom of the screen.
Press the settings icon.
Press General.
2. Restore factory default settings
Press Reset.
Press Reset. Wait a moment while the factory default settings are restored. Follow the instructions on the screen to set up your smartwatch and prepare it for use.
When you've restored the factory default settings, you need to activate your smartwatch.